Ultrafino Flying Tourbillon Carbon 40mm Dress The sophisticated perpetual calendar remains

The sophisticated perpetual calendar remains intuitive to read

Powered by the Rolex Calibre 4131

offering exceptional comfort and durability

technical ingenuity

Ultrafino Flying Tourbillon Carbon 40mm Dress The sophisticated perpetual calendar remainsThe UltraFino Sapphire defies convention with its 9. 8 mm thin case. The sapphires hardness and scratch resistance are complemented by a white rubber joint that ensures an exceptional 5 ATM water resistance, a rare feat for a sapphire watch. Machining a curved tonneau case in sapphire is among the most demanding challenges in watchmaking. The crystal must be shaped with micron level precision, and the 1. 2 mm curvature adds complexity that makes